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Make citus_nodes tolerant to node failure

marcocitus/citus-nodes-view
Marco Slot 2020-12-03 22:03:25 +01:00
parent 4772fbd87b
commit 2e79f21276
2 changed files with 4 additions and 4 deletions
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4
src/backend/distributed/sql/udfs/citus_nodes/10.0-1.sql generated
View File

@ -3,7 +3,7 @@ SELECT
nodename AS "Host", nodename AS "Host",
nodeport AS "Port", nodeport AS "Port",
CASE WHEN groupid = 0 THEN 'coordinator' ELSE 'worker' END AS "Node Type", CASE WHEN groupid = 0 THEN 'coordinator' ELSE 'worker' END AS "Node Type",
pg_size_pretty(citus_node_database_size(nodename, nodeport)) AS "Database Size", pg_size_pretty(nullif(citus_node_database_size(nodename, nodeport),0)) AS "Database Size",
(SELECT (SELECT
count(*) count(*)
FROM FROM
@ -32,7 +32,7 @@ SELECT
(shardid) (shardid)
WHERE p.groupid = n.groupid AND t.partmethod = 'n' AND t.repmodel = 't' WHERE p.groupid = n.groupid AND t.partmethod = 'n' AND t.repmodel = 't'
) AS "Reference Tables", ) AS "Reference Tables",
round(100 * (1. - (ds.available_disk_size::double precision / ds.total_disk_size))) || '%' AS "Disk Usage" round(100 * (1. - (ds.available_disk_size::double precision / nullif(ds.total_disk_size, 0)))) || '%' AS "Disk Usage"
FROM FROM
pg_dist_node n, pg_dist_node n,
citus_node_disk_space_stats(n.nodename, n.nodeport) ds citus_node_disk_space_stats(n.nodename, n.nodeport) ds

4
src/backend/distributed/sql/udfs/citus_nodes/latest.sql
View File

@ -3,7 +3,7 @@ SELECT
nodename AS "Host", nodename AS "Host",
nodeport AS "Port", nodeport AS "Port",
CASE WHEN groupid = 0 THEN 'coordinator' ELSE 'worker' END AS "Node Type", CASE WHEN groupid = 0 THEN 'coordinator' ELSE 'worker' END AS "Node Type",
pg_size_pretty(citus_node_database_size(nodename, nodeport)) AS "Database Size", pg_size_pretty(nullif(citus_node_database_size(nodename, nodeport),0)) AS "Database Size",
(SELECT (SELECT
count(*) count(*)
FROM FROM
@ -32,7 +32,7 @@ SELECT
(shardid) (shardid)
WHERE p.groupid = n.groupid AND t.partmethod = 'n' AND t.repmodel = 't' WHERE p.groupid = n.groupid AND t.partmethod = 'n' AND t.repmodel = 't'
) AS "Reference Tables", ) AS "Reference Tables",
round(100 * (1. - (ds.available_disk_size::double precision / ds.total_disk_size))) || '%' AS "Disk Usage" round(100 * (1. - (ds.available_disk_size::double precision / nullif(ds.total_disk_size, 0)))) || '%' AS "Disk Usage"
FROM FROM
pg_dist_node n, pg_dist_node n,
citus_node_disk_space_stats(n.nodename, n.nodeport) ds citus_node_disk_space_stats(n.nodename, n.nodeport) ds